Bobbin-stripper.



R. WA'LWORTH.

BOBBIN STRIPPER.

APPLIOATION FILED Nov. zo, 1912,

1,080,942, Patented Dec. 9, 1913.

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Application filed November 20, 1912.

To aZZ whom t may concern:

Be it known that I, RICHARD lVALwonrH, a citizen of the United States, residing at Wvaltham, in the county of Middlesex, State of Massachusetts, have invented a certain new and useful Improvement in Bobbin- Strippers, of which the following is a specification, reference being had therein to the accompanying drawings.

My present invention is an improvement upon that of my prior application for United States Letters Patent `filed December 8, 1908, Serial No. 466,553. Like that of my prior application, it is designed for stripping from spools and bobbins employed in the spinning and weaving processes the small quantities of roving or yarn remaining thereon when they are replaced by full spools or bobbins.

My present invention is characterized by the employment of an endless flexible traveling surface having a working run of any approved length. The said working run preferablytravels in a downwardly inclined direction, and has combined -therewith bobbin-rests, the latter being preferably in the form of rollers, and being revolved by contact with the said traveling surface. The said bobbin-rests extend transversely across the said surface, discharge openings for empty spools or bobbins being provided laterally of the traveling surface adjacent each bobbin-rest.

An embodiment of the invention shown in the drawings, in which latter,-

Figure l is a plan view of the said embodiment. Fig. 2 is a view in vertical section in the plane of line 2, 2, of Fig. l. Fig. 3 is a detail view.

Having reference to the dra-wings,-a suitable frame-work 1 has journaled thereon rolls 2 and 3, around which an endless apron 4 extends. The said apron is caused to travel by means of any suitable driving connections, which latter are represented by fast and loose band-pulleys 5, 5a, on the shaft of the roll 2. The roll 3 is lower than roll 2, so that the upper run ofthe apron, which is the working run, extends at a downward inclination from the roll 2 to the roll 3. Bobbin-rests are shown in the form of rolls 8, 8, and 9, 9, extending transversely across the working run of the endless apron, and

Speccation of Letters Patent.

Patented Dec. 9, i913,

Serial No. 732,435.

making contact with the surface thereof. The journals of these rolls occupy notches l()a in metal plates l0, 10, that are attached to the machine framework by bolts 10b, 10b, passing through slots 10C, 10C, in such plates, but other forms of bearings or stops for the said journals, to determine the positions occupied by the bobbin-rests, may be employed in practice according to preference. Certain of the bobbin-rests, namely those designated 8, 8, extend across the working run of the traveling surface inclined at an angle in one direction to the length of the latter, and those designated 9, 9, extend across the said run inclined at an angle in the opposite direction. The drawings show bobbins 1l, ll, adjacent the respective bobbinrests. A spool or bobbin laid upon the traveling surface at the upper side of a bobbin-rest will be kept by the traveling movement of the said surface against the said rest, and at the same time will be rotated upon its individual axis. Meanwhile, the free end of a roving or yarn a on the spool or bobbin, becoming adherent to the traveling surface and carried forward thereby, will be unwound from the spool or bobbin. 'Engagement of the roving or yarn with the traveling surface may be depended upon, if such surface is of suitable character, but I prefer to effect the unwinding through the cooperation of the rolls 8, 8, and 9, 9, with the traveling surface, the roll against which a given spool or bobbin rests acting to hold 'the roving or yarn leading from said spool or bobbin pressed against the traveling surface, and coperating with the said surface as a feed-roll to nip and assist in feeding the roving or yarn so as to draw it from the spool or bobbin. The bobbin-rests are set so as to cause the spools or bobbins to occupy positions in which the axis of each individual spool or bobbin stands at a forward inclination with respect to the traveling surface. By reason of the inclined position taken by the spool-axis or bobbin-axis while the spool or bobbin is in contact with a bobbin-rest, the rotation of the spool or bobbin by its contact with the traveling surface `causes an endwise movement of the said spool or bobbin transversely of the traveling surface to take place, until the spool or bobbin discharges from the said traveling surface through one of the discharge openings 13, 13. A bobbin in contact with arest t-ravels endwise with the forwardly-inclined end of its axis foremost. 1n the drawings, the inclinations of rests 8 and 9 are such that a bobbin in contact with a rest 8 travels small end first until it discharges at the lefthand side of the machine, while a bobbin in contact with a bobbin-rest 9 travels headend first until it discharges at the righthand side of the machine. By disposing the bobbin-rests in an alternating succession comprising one or more inclined at one angle across the endless traveling surface, and one or more inclined at an opposite angle, the bobbins at such rests may be caused to discharge at opposite sides of the machine in the same alternating succession.

1f desired, for the purpose of varying the rate of travel of the bobbins endwise, the inclination of the rests may be varied by adjusting the bearing-plates 10, 10, lengthwise of the travel of the apron. This same adjustment is utilized in setting the rests to suit either bobbins having one end larger in diameter than the other as in the drawings, or both ends of the same diameter. In any case, the angles of the respective rests with reference to the endless traveling surface will be proportioned so as to give the axis of a bobbin the required inclination respecting the direction of travel of the traveling surface to insure endwise travel of the bobbin in the desired direction and further to insure complete cleaning or stripping of the bobbins before they are discharged; and such angles will also be proportioned to the capacity of the attendant or attendants who feed the machine with bobbins to be stripped. The machine shown, it having four bobbin rests, is intended to be served by four boys or other attendants, two at each end of the machine, standing side by side, or they might stand alongside the machine, this depending on the arrangements made for taking care of the stripped bobbins as they are discharged from the machine. The machine may be extended in length as much as may be required and any desired number of attendants may be thereby accommodated. Hence the machine may be given any required capacity.

rlhe rovings or yarns a., a, are stripped from the surface of the apron 4 by any convenient means, as for instance a brush 15, Fig. 2. Stripper brushes 16, 16, are provided in connection with the respective bobbin-rests 8, 9, to prevent the rovings or yarns from winding thereon. These brushes 16, 16, rest upon the bobbin-rests, and may be held in working position with relation thereto by having the ends of their backs notched,

as at 16, 16a, to receive projections 10d, 10d, rising from the bearing-plates 10, 10.

What is claimed as the invention is 1. A bobbin-stripping machine comprising, essentially, an endless flexible traveling surface having a working run extended in a direction to receive and support spools or bobbins to be stripped, and bobbin-rests extending transversely across the said working run and arranged to maintain a spoolaxis or bobbin-axis inclined with reference to the direction of travel of the said working run, said endless traveling surface acting to unwind rovings or yarns from said spools or bobbins and feed the latter lengthwise.

2. A bobbin-stripping machine comprising, essentially, an endless traveling apron having a working run extended at an inclination and adapted to receive and support spools or bobbins to be stripped, and bobbinrests extending transversely across the said working run, and adapted to maintain the axis of a spool or bobbin at an inclination to the direction of movement of said run, whereby endwise travel and a discharge of the spools or bobbins are produced.

3. A bobbin-stripping machine comprising, essentially, an endless traveling apron having a working run adapted to receive and support spools or bobbins to be stripped, bobbin-rests extending transversely across said working run, and means to adjust said bobbin-rests angularly with relation to the direction of travel of said run, said apron acting to unwind rovings or yarns from said spools or bobbins and feed the latter lengthwise.

41. A bobbin-stripping machine comprising, essentially, an endless flexible traveling surface having a working run extended in a direct-ion to receive and support spools or bobbins to be stripped,'and bobbin rests constituted by rolls extending transversely across the said working run, resting thereon, and arranged to maintain a bobbin-axis inclined with reference to the direction of travel of the said working run, said endless traveling surface acting to unwind rovings or yarns from said spools or bobbins and feed the latter lengthwise.

5. A bobbin-stripping machine comprising, essentially, an endless traveling apron having a working run extended at an inclination and adapted to receive and support spools or bobbins to be stripped, and bobbinrcsts constituted by rolls extending transversely across the said working run, resting thereon, and adapted to maintain the axis of a spool or bobbin at an inclination to the direction of movement of said run, whereby endwise vtravel and a discharge of the spools or bobbins are produced.

6. A bobbin-stripping machine'comprising, essentially, an endless traveling apron spools or bobbins and feed the latter length- 10 having a Working run adapted to receive Wise.

and support spools or bobbins to be stripped, In testimony whereof I aiix my signature bobbin-rests constituted by rolls extending in presence of two Witnesses.

transversely across said Working run and resting thereon, and means to adjust said RICHARD VVALWORTH' bobbin-rests angularly with relation to the Witnesses:

direction of travel of said run, said apron CHAs. F. RANDALL,

acting to unwind rovings or yarns from said NATHAN B. DAY.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents, Washington. D. C. 

